GB2118299B - Edge detector in optical measuring instrument - Google Patents

Edge detector in optical measuring instrument

Info

Publication number
GB2118299B
GB2118299B GB08309244A GB8309244A GB2118299B GB 2118299 B GB2118299 B GB 2118299B GB 08309244 A GB08309244 A GB 08309244A GB 8309244 A GB8309244 A GB 8309244A GB 2118299 B GB2118299 B GB 2118299B
Authority
GB
United Kingdom
Prior art keywords
measuring instrument
optical measuring
edge detector
detector
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08309244A
Other languages
English (en)
Other versions
GB2118299A (en
Inventor
Morimasa Ueda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitutoyo Manufacturing Co Ltd
Original Assignee
Mitutoyo Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitutoyo Manufacturing Co Ltd filed Critical Mitutoyo Manufacturing Co Ltd
Publication of GB2118299A publication Critical patent/GB2118299A/en
Application granted granted Critical
Publication of GB2118299B publication Critical patent/GB2118299B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
GB08309244A 1982-04-05 1983-04-05 Edge detector in optical measuring instrument Expired GB2118299B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57056372A JPS58173408A (ja) 1982-04-05 1982-04-05 光学式測定機器におけるエツジ検出装置

Publications (2)

Publication Number Publication Date
GB2118299A GB2118299A (en) 1983-10-26
GB2118299B true GB2118299B (en) 1986-01-08

Family

ID=13025420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08309244A Expired GB2118299B (en) 1982-04-05 1983-04-05 Edge detector in optical measuring instrument

Country Status (4)

Country Link
US (1) US4557602A (de)
JP (1) JPS58173408A (de)
DE (1) DE3312203A1 (de)
GB (1) GB2118299B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177701A (ja) * 1984-09-25 1986-04-21 Mitsutoyo Mfg Co Ltd 光学式測定機器におけるエツジ検出装置
JPS61128105A (ja) * 1984-11-26 1986-06-16 Mitsutoyo Mfg Co Ltd 光学式測定機器におけるエツジ検出装置
US4856902A (en) * 1987-11-13 1989-08-15 Lasersense, Inc. Imaging and inspection apparatus and method
US4906097A (en) * 1987-11-13 1990-03-06 Lasersense, Inc. Imaging and inspection apparatus and method
DE4003390A1 (de) * 1990-02-05 1991-08-08 Emco Maier Gmbh Vorrichtung zum erfassen der kontur eines werkstueckes
US5289262A (en) * 1992-03-09 1994-02-22 Calcomp Inc. Photodiode transmissive media sensor for aligning media
JP4659970B2 (ja) * 2000-11-20 2011-03-30 大日本印刷株式会社 光学システムの欠陥検査装置
KR101101537B1 (ko) * 2009-06-08 2012-01-02 고려대학교 산학협력단 가공 대상물의 교차홀에 형성된 버를 제거하기 위한 디버링 장치
US9639949B2 (en) * 2010-03-15 2017-05-02 Analog Devices, Inc. Edge orientation for second derivative edge detection methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467473A (en) * 1964-12-28 1969-09-16 Ford Motor Co Headlamp aiming
US3697761A (en) * 1971-03-18 1972-10-10 Olympus Optical Co Method and microscope for detecting the position of a workpiece
JPS5414938B2 (de) * 1972-03-02 1979-06-11
JPS5336788B2 (de) * 1973-09-27 1978-10-04
JPS5230866A (en) * 1975-09-03 1977-03-08 Takagi Mfg Method of molding container having gasoline or oil resisting properties
US4091379A (en) * 1976-05-03 1978-05-23 Litton Business Systems, Inc. Analog to digital wave shaping system
DE2636906C3 (de) * 1976-08-17 1983-12-29 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Verfahren zur Erzeugung eines Schaltsignals beim Durchgang eines Kontrastsprunges und Schaltungsanordnung zur Ausführung des Verfahrens

Also Published As

Publication number Publication date
JPS58173408A (ja) 1983-10-12
US4557602A (en) 1985-12-10
DE3312203A1 (de) 1983-10-06
GB2118299A (en) 1983-10-26
DE3312203C2 (de) 1991-05-16
JPS6244201B2 (de) 1987-09-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950405